730 lines
18 KiB
C
730 lines
18 KiB
C
/***********************************************************
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Copyright 1987, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the name of Digital not be
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used in advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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******************************************************************/
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#ifndef DIX_H
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#define DIX_H
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#include "gc.h"
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#include "window.h"
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#include "input.h"
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#define EARLIER -1
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#define SAMETIME 0
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#define LATER 1
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#define NullClient ((ClientPtr) 0)
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#define REQUEST(type) \
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register type *stuff = (type *)client->requestBuffer
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#define REQUEST_SIZE_MATCH(req)\
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if ((sizeof(req) >> 2) != client->req_len)\
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return(BadLength)
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#define REQUEST_AT_LEAST_SIZE(req) \
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if ((sizeof(req) >> 2) > client->req_len )\
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return(BadLength)
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#define REQUEST_FIXED_SIZE(req, n)\
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if (((sizeof(req) >> 2) > client->req_len) || \
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(((sizeof(req) + (n) + 3) >> 2) != client->req_len)) \
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return(BadLength)
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#define LEGAL_NEW_RESOURCE(id,client)\
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if (!LegalNewID(id,client)) \
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{\
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client->errorValue = id;\
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return(BadIDChoice);\
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}
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/* XXX if you are using this macro, you are probably not generating Match
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* errors where appropriate */
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#define LOOKUP_DRAWABLE(did, client)\
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((client->lastDrawableID == did) ? \
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client->lastDrawable : (DrawablePtr)LookupDrawable(did, client))
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#define VERIFY_DRAWABLE(pDraw, did, client)\
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if (client->lastDrawableID == did)\
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pDraw = client->lastDrawable;\
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else \
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{\
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pDraw = (DrawablePtr) LookupIDByClass(did, RC_DRAWABLE);\
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if (!pDraw) \
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{\
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client->errorValue = did; \
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return BadDrawable;\
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}\
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if (pDraw->type == UNDRAWABLE_WINDOW)\
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return BadMatch;\
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}
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#define VERIFY_GEOMETRABLE(pDraw, did, client)\
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if (client->lastDrawableID == did)\
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pDraw = client->lastDrawable;\
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else \
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{\
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pDraw = (DrawablePtr) LookupIDByClass(did, RC_DRAWABLE);\
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if (!pDraw) \
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{\
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client->errorValue = did; \
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return BadDrawable;\
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}\
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}
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#define VERIFY_GC(pGC, rid, client)\
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if (client->lastGCID == rid)\
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pGC = client->lastGC;\
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else\
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pGC = (GC *)LookupIDByType(rid, RT_GC);\
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if (!pGC)\
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{\
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client->errorValue = rid;\
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return (BadGC);\
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}
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#define SECURITY_VERIFY_DRAWABLE(pDraw, did, client, mode)\
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VERIFY_DRAWABLE(pDraw, did, client)
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#define SECURITY_VERIFY_GEOMETRABLE(pDraw, did, client, mode)\
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VERIFY_GEOMETRABLE(pDraw, did, client)
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#define SECURITY_VERIFY_GC(pGC, rid, client, mode)\
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VERIFY_GC(pGC, rid, client)
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/*
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* We think that most hardware implementations of DBE will want
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* LookupID*(dbe_back_buffer_id) to return the window structure that the
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* id is a back buffer for. Since both front and back buffers will
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* return the same structure, you need to be able to distinguish
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* somewhere what kind of buffer (front/back) was being asked for, so
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* that ddx can render to the right place. That's the problem that the
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* following code solves. Note: we couldn't embed this in the LookupID*
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* functions because the VALIDATE_DRAWABLE_AND_GC macro often circumvents
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* those functions by checking a one-element cache. That's why we're
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* mucking with VALIDATE_DRAWABLE_AND_GC.
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*
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* If you put -DNEED_DBE_BUF_BITS into PervasiveDBEDefines, the window
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* structure will have two additional bits defined, srcBuffer and
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* dstBuffer, and their values will be maintained via the macros
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* SET_DBE_DSTBUF and SET_DBE_SRCBUF (below). If you also
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* put -DNEED_DBE_BUF_VALIDATE into PervasiveDBEDefines, the function
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* DbeValidateBuffer will be called any time the bits change to give you
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* a chance to do some setup. See the DBE code for more details on this
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* function. We put in these levels of conditionality so that you can do
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* just what you need to do, and no more. If neither of these defines
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* are used, the bits won't be there, and VALIDATE_DRAWABLE_AND_GC will
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* be unchanged. dpw
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*/
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#if defined(NEED_DBE_BUF_BITS)
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#define SET_DBE_DSTBUF(_pDraw, _drawID) \
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SET_DBE_BUF(_pDraw, _drawID, dstBuffer, TRUE)
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#define SET_DBE_SRCBUF(_pDraw, _drawID) \
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SET_DBE_BUF(_pDraw, _drawID, srcBuffer, FALSE)
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#if defined (NEED_DBE_BUF_VALIDATE)
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#define SET_DBE_BUF(_pDraw, _drawID, _whichBuffer, _dstbuf) \
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if (_pDraw->type == DRAWABLE_WINDOW)\
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{\
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int thisbuf = (_pDraw->id == _drawID);\
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if (thisbuf != ((WindowPtr)_pDraw)->_whichBuffer)\
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{\
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((WindowPtr)_pDraw)->_whichBuffer = thisbuf;\
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DbeValidateBuffer((WindowPtr)_pDraw, _drawID, _dstbuf);\
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}\
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}
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#else /* want buffer bits, but don't need to call DbeValidateBuffer */
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#define SET_DBE_BUF(_pDraw, _drawID, _whichBuffer, _dstbuf) \
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if (_pDraw->type == DRAWABLE_WINDOW)\
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{\
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((WindowPtr)_pDraw)->_whichBuffer = (_pDraw->id == _drawID);\
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}
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#endif /* NEED_DBE_BUF_VALIDATE */
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#else /* don't want buffer bits in window */
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#define SET_DBE_DSTBUF(_pDraw, _drawID) /**/
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#define SET_DBE_SRCBUF(_pDraw, _drawID) /**/
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#endif /* NEED_DBE_BUF_BITS */
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#define VALIDATE_DRAWABLE_AND_GC(drawID, pDraw, pGC, client)\
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if ((stuff->gc == INVALID) || (client->lastGCID != stuff->gc) ||\
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(client->lastDrawableID != drawID))\
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{\
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SECURITY_VERIFY_GEOMETRABLE(pDraw, drawID, client, SecurityWriteAccess);\
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SECURITY_VERIFY_GC(pGC, stuff->gc, client, SecurityReadAccess);\
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if ((pGC->depth != pDraw->depth) ||\
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(pGC->pScreen != pDraw->pScreen))\
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return (BadMatch);\
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client->lastDrawable = pDraw;\
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client->lastDrawableID = drawID;\
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client->lastGC = pGC;\
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client->lastGCID = stuff->gc;\
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}\
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else\
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{\
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pGC = client->lastGC;\
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pDraw = client->lastDrawable;\
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}\
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SET_DBE_DSTBUF(pDraw, drawID);\
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if (pGC->serialNumber != pDraw->serialNumber)\
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ValidateGC(pDraw, pGC);
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#define WriteReplyToClient(pClient, size, pReply) { \
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if ((pClient)->swapped) \
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(*ReplySwapVector[((xReq *)(pClient)->requestBuffer)->reqType]) \
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(pClient, (int)(size), pReply); \
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else (void) WriteToClient(pClient, (int)(size), (char *)(pReply)); }
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#define WriteSwappedDataToClient(pClient, size, pbuf) \
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if ((pClient)->swapped) \
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(*(pClient)->pSwapReplyFunc)(pClient, (int)(size), pbuf); \
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else (void) WriteToClient (pClient, (int)(size), (char *)(pbuf));
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typedef struct _TimeStamp *TimeStampPtr;
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#ifndef _XTYPEDEF_CLIENTPTR
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typedef struct _Client *ClientPtr; /* also in misc.h */
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#define _XTYPEDEF_CLIENTPTR
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#endif
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typedef struct _WorkQueue *WorkQueuePtr;
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extern ClientPtr requestingClient;
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extern ClientPtr clients[MAXCLIENTS];
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extern ClientPtr serverClient;
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extern int currentMaxClients;
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extern char dispatchExceptionAtReset;
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typedef int HWEventQueueType;
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typedef HWEventQueueType* HWEventQueuePtr;
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extern HWEventQueuePtr checkForInput[2];
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typedef struct _TimeStamp {
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CARD32 months; /* really ~49.7 days */
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CARD32 milliseconds;
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} TimeStamp;
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/* dispatch.c */
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void SetInputCheck(
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HWEventQueuePtr /*c0*/,
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HWEventQueuePtr /*c1*/);
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void CloseDownClient(
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ClientPtr /*client*/);
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void UpdateCurrentTime(void);
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void UpdateCurrentTimeIf(void);
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void InitSelections(void);
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void FlushClientCaches(XID /*id*/);
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int dixDestroyPixmap(
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pointer /*value*/,
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XID /*pid*/);
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void CloseDownRetainedResources(void);
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void InitClient(
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ClientPtr /*client*/,
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int /*i*/,
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pointer /*ospriv*/);
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ClientPtr NextAvailableClient(
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pointer /*ospriv*/);
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void SendErrorToClient(
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ClientPtr /*client*/,
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unsigned int /*majorCode*/,
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unsigned int /*minorCode*/,
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XID /*resId*/,
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int /*errorCode*/);
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void DeleteWindowFromAnySelections(
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WindowPtr /*pWin*/);
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void MarkClientException(
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ClientPtr /*client*/);
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int GetGeometry(
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ClientPtr /*client*/,
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xGetGeometryReply* /* wa */);
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int SendConnSetup(
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ClientPtr /*client*/,
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const char* /*reason*/);
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int DoGetImage(
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ClientPtr /*client*/,
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int /*format*/,
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Drawable /*drawable*/,
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int /*x*/,
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int /*y*/,
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int /*width*/,
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int /*height*/,
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Mask /*planemask*/,
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xGetImageReply ** /*im_return*/);
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/* dixutils.c */
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int CompareISOLatin1Lowered(
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unsigned char * /*a*/,
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int alen,
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unsigned char * /*b*/,
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int blen);
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WindowPtr LookupWindow(
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XID /*rid*/,
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ClientPtr /*client*/);
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pointer LookupDrawable(
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XID /*rid*/,
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ClientPtr /*client*/);
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#define SecurityLookupWindow(rid, client, access_mode) \
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LookupWindow(rid, client)
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#define SecurityLookupDrawable(rid, client, access_mode) \
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LookupDrawable(rid, client)
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ClientPtr LookupClient(
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XID /*rid*/,
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ClientPtr /*client*/);
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void NoopDDA(void);
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int AlterSaveSetForClient(
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ClientPtr /*client*/,
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WindowPtr /*pWin*/,
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unsigned /*mode*/,
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Bool /*toRoot*/,
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Bool /*remap*/);
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void DeleteWindowFromAnySaveSet(
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WindowPtr /*pWin*/);
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void BlockHandler(
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pointer /*pTimeout*/,
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pointer /*pReadmask*/);
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void WakeupHandler(
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int /*result*/,
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pointer /*pReadmask*/);
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typedef void (* WakeupHandlerProcPtr)(
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pointer /* blockData */,
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int /* result */,
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pointer /* pReadmask */);
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Bool RegisterBlockAndWakeupHandlers(
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BlockHandlerProcPtr /*blockHandler*/,
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WakeupHandlerProcPtr /*wakeupHandler*/,
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pointer /*blockData*/);
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void RemoveBlockAndWakeupHandlers(
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BlockHandlerProcPtr /*blockHandler*/,
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WakeupHandlerProcPtr /*wakeupHandler*/,
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pointer /*blockData*/);
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void InitBlockAndWakeupHandlers(void);
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void ProcessWorkQueue(void);
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void ProcessWorkQueueZombies(void);
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Bool QueueWorkProc(
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Bool (* /*function*/)(
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ClientPtr /*clientUnused*/,
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pointer /*closure*/),
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ClientPtr /*client*/,
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pointer /*closure*/
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);
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typedef Bool (* ClientSleepProcPtr)(
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ClientPtr /*client*/,
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pointer /*closure*/);
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Bool ClientSleep(
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ClientPtr /*client*/,
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ClientSleepProcPtr /* function */,
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pointer /*closure*/);
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#ifndef ___CLIENTSIGNAL_DEFINED___
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#define ___CLIENTSIGNAL_DEFINED___
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Bool XFONT_LTO ClientSignal(
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ClientPtr /*client*/);
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#endif /* ___CLIENTSIGNAL_DEFINED___ */
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void ClientWakeup(
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ClientPtr /*client*/);
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Bool ClientIsAsleep(
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ClientPtr /*client*/);
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/* atom.c */
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XFONT_LTO Atom MakeAtom(
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char * /*string*/,
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unsigned /*len*/,
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Bool /*makeit*/);
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XFONT_LTO Bool ValidAtom(
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Atom /*atom*/);
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XFONT_LTO char *NameForAtom(
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Atom /*atom*/);
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void AtomError(void);
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void FreeAllAtoms(void);
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void InitAtoms(void);
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/* events.c */
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void SetMaskForEvent(
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Mask /* mask */,
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int /* event */);
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Bool IsParent(
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WindowPtr /* maybeparent */,
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WindowPtr /* child */);
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WindowPtr GetCurrentRootWindow(void);
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WindowPtr GetSpriteWindow(void);
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void NoticeEventTime(xEventPtr /* xE */);
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void EnqueueEvent(
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xEventPtr /* xE */,
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DeviceIntPtr /* device */,
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int /* count */);
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void ComputeFreezes(void);
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void CheckGrabForSyncs(
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DeviceIntPtr /* dev */,
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Bool /* thisMode */,
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Bool /* otherMode */);
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void ActivatePointerGrab(
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DeviceIntPtr /* mouse */,
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GrabPtr /* grab */,
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TimeStamp /* time */,
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Bool /* autoGrab */);
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void DeactivatePointerGrab(
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DeviceIntPtr /* mouse */);
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void ActivateKeyboardGrab(
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DeviceIntPtr /* keybd */,
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GrabPtr /* grab */,
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TimeStamp /* time */,
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Bool /* passive */);
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void DeactivateKeyboardGrab(
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DeviceIntPtr /* keybd */);
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void AllowSome(
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ClientPtr /* client */,
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TimeStamp /* time */,
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DeviceIntPtr /* thisDev */,
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int /* newState */);
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void ReleaseActiveGrabs(
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ClientPtr client);
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int DeliverEventsToWindow(
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WindowPtr /* pWin */,
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xEventPtr /* pEvents */,
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int /* count */,
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Mask /* filter */,
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GrabPtr /* grab */,
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int /* mskidx */);
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int DeliverDeviceEvents(
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WindowPtr /* pWin */,
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xEventPtr /* xE */,
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GrabPtr /* grab */,
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WindowPtr /* stopAt */,
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DeviceIntPtr /* dev */,
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int /* count */);
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void DefineInitialRootWindow(
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WindowPtr /* win */);
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void WindowHasNewCursor(
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WindowPtr /* pWin */);
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Bool CheckDeviceGrabs(
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DeviceIntPtr /* device */,
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xEventPtr /* xE */,
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int /* checkFirst */,
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int /* count */);
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void DeliverFocusedEvent(
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DeviceIntPtr /* keybd */,
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xEventPtr /* xE */,
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WindowPtr /* window */,
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int /* count */);
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void DeliverGrabbedEvent(
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xEventPtr /* xE */,
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DeviceIntPtr /* thisDev */,
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Bool /* deactivateGrab */,
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int /* count */);
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void RecalculateDeliverableEvents(
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WindowPtr /* pWin */);
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int OtherClientGone(
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pointer /* value */,
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XID /* id */);
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void DoFocusEvents(
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DeviceIntPtr /* dev */,
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WindowPtr /* fromWin */,
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WindowPtr /* toWin */,
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int /* mode */);
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int SetInputFocus(
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ClientPtr /* client */,
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DeviceIntPtr /* dev */,
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Window /* focusID */,
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CARD8 /* revertTo */,
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Time /* ctime */,
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Bool /* followOK */);
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int GrabDevice(
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ClientPtr /* client */,
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DeviceIntPtr /* dev */,
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unsigned /* this_mode */,
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unsigned /* other_mode */,
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Window /* grabWindow */,
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unsigned /* ownerEvents */,
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Time /* ctime */,
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Mask /* mask */,
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CARD8 * /* status */);
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void InitEvents(void);
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void CloseDownEvents(void);
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|
|
void DeleteWindowFromAnyEvents(
|
|
WindowPtr /* pWin */,
|
|
Bool /* freeResources */);
|
|
|
|
|
|
Mask EventMaskForClient(
|
|
WindowPtr /* pWin */,
|
|
ClientPtr /* client */);
|
|
|
|
|
|
|
|
int DeliverEvents(
|
|
WindowPtr /*pWin*/,
|
|
xEventPtr /*xE*/,
|
|
int /*count*/,
|
|
WindowPtr /*otherParent*/);
|
|
|
|
|
|
void WriteEventsToClient(
|
|
ClientPtr /*pClient*/,
|
|
int /*count*/,
|
|
xEventPtr /*events*/);
|
|
|
|
int TryClientEvents(
|
|
ClientPtr /*client*/,
|
|
xEventPtr /*pEvents*/,
|
|
int /*count*/,
|
|
Mask /*mask*/,
|
|
Mask /*filter*/,
|
|
GrabPtr /*grab*/);
|
|
|
|
void WindowsRestructured(void);
|
|
|
|
|
|
void
|
|
ScreenRestructured (ScreenPtr pScreen);
|
|
|
|
void ResetClientPrivates(void);
|
|
|
|
int AllocateClientPrivateIndex(void);
|
|
|
|
Bool AllocateClientPrivate(
|
|
int /*index*/,
|
|
unsigned /*amount*/);
|
|
|
|
/*
|
|
* callback manager stuff
|
|
*/
|
|
|
|
#ifndef _XTYPEDEF_CALLBACKLISTPTR
|
|
typedef struct _CallbackList *CallbackListPtr; /* also in misc.h */
|
|
#define _XTYPEDEF_CALLBACKLISTPTR
|
|
#endif
|
|
|
|
typedef void (*CallbackProcPtr) (
|
|
CallbackListPtr *, pointer, pointer);
|
|
|
|
typedef Bool (*AddCallbackProcPtr) (
|
|
CallbackListPtr *, CallbackProcPtr, pointer);
|
|
|
|
typedef Bool (*DeleteCallbackProcPtr) (
|
|
CallbackListPtr *, CallbackProcPtr, pointer);
|
|
|
|
typedef void (*CallCallbacksProcPtr) (
|
|
CallbackListPtr *, pointer);
|
|
|
|
typedef void (*DeleteCallbackListProcPtr) (
|
|
CallbackListPtr *);
|
|
|
|
typedef struct _CallbackProcs {
|
|
AddCallbackProcPtr AddCallback;
|
|
DeleteCallbackProcPtr DeleteCallback;
|
|
CallCallbacksProcPtr CallCallbacks;
|
|
DeleteCallbackListProcPtr DeleteCallbackList;
|
|
} CallbackFuncsRec, *CallbackFuncsPtr;
|
|
|
|
Bool CreateCallbackList(
|
|
CallbackListPtr * /*pcbl*/,
|
|
CallbackFuncsPtr /*cbfuncs*/);
|
|
|
|
Bool AddCallback(
|
|
CallbackListPtr * /*pcbl*/,
|
|
CallbackProcPtr /*callback*/,
|
|
pointer /*data*/);
|
|
|
|
Bool DeleteCallback(
|
|
CallbackListPtr * /*pcbl*/,
|
|
CallbackProcPtr /*callback*/,
|
|
pointer /*data*/);
|
|
|
|
void CallCallbacks(
|
|
CallbackListPtr * /*pcbl*/,
|
|
pointer /*call_data*/);
|
|
|
|
void DeleteCallbackList(
|
|
CallbackListPtr * /*pcbl*/);
|
|
|
|
void InitCallbackManager(void);
|
|
|
|
/*
|
|
* ServerGrabCallback stuff
|
|
*/
|
|
|
|
extern CallbackListPtr ServerGrabCallback;
|
|
|
|
typedef enum {SERVER_GRABBED, SERVER_UNGRABBED,
|
|
CLIENT_PERVIOUS, CLIENT_IMPERVIOUS } ServerGrabState;
|
|
|
|
typedef struct {
|
|
ClientPtr client;
|
|
ServerGrabState grabstate;
|
|
} ServerGrabInfoRec;
|
|
|
|
/*
|
|
* EventCallback stuff
|
|
*/
|
|
|
|
extern CallbackListPtr EventCallback;
|
|
|
|
typedef struct {
|
|
ClientPtr client;
|
|
xEventPtr events;
|
|
int count;
|
|
} EventInfoRec;
|
|
|
|
/*
|
|
* DeviceEventCallback stuff
|
|
*/
|
|
|
|
extern CallbackListPtr DeviceEventCallback;
|
|
|
|
typedef struct {
|
|
xEventPtr events;
|
|
int count;
|
|
} DeviceEventInfoRec;
|
|
|
|
/*
|
|
* SelectionCallback stuff
|
|
*/
|
|
|
|
extern CallbackListPtr SelectionCallback;
|
|
|
|
typedef enum {
|
|
SelectionSetOwner,
|
|
SelectionWindowDestroy,
|
|
SelectionClientClose
|
|
} SelectionCallbackKind;
|
|
|
|
typedef struct {
|
|
struct _Selection *selection;
|
|
SelectionCallbackKind kind;
|
|
} SelectionInfoRec;
|
|
|
|
/* strcasecmp.c */
|
|
#if NEED_STRCASECMP
|
|
#define strcasecmp xstrcasecmp
|
|
int xstrcasecmp(char *s1, char *s2);
|
|
#endif
|
|
|
|
/* ffs.c */
|
|
int ffs(int i);
|
|
|
|
#endif /* DIX_H */
|